Hello everyone.

We have decided to phase out the Mixed Reality Forums over the next few months in favor of other ways to connect with us.

The first way we want to connect with you is our mixed reality developer program, which you can sign up for at https://aka.ms/IWantMR.

The plan between now and the beginning of May is to clean up old, unanswered questions that are no longer relevant. The forums will remain open and usable.

On May 1st we will be locking the forums to new posts and replies. They will remain available for another three months for the purposes of searching them, and then they will be closed altogether on August 1st.

So, where does that leave our awesome community to ask questions? Well, there are a few places we want to engage with you. For technical questions, please use Stack Overflow, and tag your questions using either hololens or windows-mixed-reality. If you want to join in discussions, please do so in the HoloDevelopers Slack, which you can join by going to https://aka.ms/holodevelopers. And always feel free to hit us up on Twitter @MxdRealityDev.

My hololens can not load vuforia-based application

I developed an UWP application combined unity and vuforia, whose main function is to identify my card and add a sphere above it. My settings are all right and it can run in unity, as shown in following.

However, when I build the uwp application and run it, some issues appears. Opening this app, a white interface would emerge and it keeps loading something, seconds later, the little black circle stops rotating and a sleeping market shows. It's the same in both emulator and the Hololens glass. Otherwise, the added sphere never showed when the card appears in my vision. So why? And what should I do to solve it?

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